84 NATURAL ORDERS AND 
ORDER XXXVIII. UMBELLIFERA.—Juss. 
Ferianth double. Calyx superior, limb five toothed, entire, or 
obsolete. Petals five, inserted into the upper part of the calyx, 
usually with an inflexed point, valvate, or imbricated in estivation. 
Stamens five, alternating with the petals, incurved in estivation. 
Ovary inferior, two celled, each with a solitary pendulous ovula, 
crowned by a double fleshy disk. Styles two, distinct. Stigmata 
simple. /ruit consisting of two carpels, more or less united together, 
by their face (commisure) to 2 common axis (columnella), from which 
they ultimately separate, and become pendulous; each carpel is more 
or less distinctly marked with five dorsal ridges, called primary, and 
four alternating with them secondary, the ridges are separated by 
channels, beneath which are often placed in the substance of the 
testa canals, vitte containing coloured oily matter. Seed solitary, 
pendulous, usually adhering inseparably to the pericarpium. <Albu- 
men abundant, hairy. Embryo minute at the base of the albumen. 
fiadicle pointing to the hilum.—Herbaceous plants, with fistular stems. 
Lerves generally much divided, sheathing at the base. Flowers 
umbellate, rarely capitate, generally surrounded by an involucrum. 
SUB-ORDERS. 
Seed or albumen flat, not furrowed in front ORTHOSPERMZ. 
Seed or albumen, inflexed at the margin, 
or deeply furrowed in front .......0000. CAMPYLOSPERMA 
Seed or albumen hemispherical, concave in 
WUONU deesuassersccciesssudessessioecescenecse CO ALOSREH MAN 
TRIBES. 
7 SuB-oRDER 1. ORTHOSPERMZ. 
Umbel imperfect, or simple. 
Fruit laterally compressed, its back even 
QP BOULO (os iacnlensivdve =» oo oss'00sernevay fl) ELYDROCOMSVAEAR: 
Fruit on a transverse section, nearly 
TOUNG. o02 soe ccdosdarehonAndencheeseaeoeicaa/OANICURMMS 
Umbel perfect, or compound. 
Carpels with primary ridges only. 
Fruit laterally compressed, or didy- 
WNOMS ps caness cnlesiaessoaahalonceclncatad er CAMmMUINMC Mee 
Fruit on a transverse section, nearly 
TOUUG si sisndiva occ “cle ficnvansseaae dog [4>, ORSHUIM EM. 
margins dilated, with double wings 5. ANGELICER, 
margins dilated, with a single wing, 
flat, or thickened towards the 
CULO ces acsaavebs sstacae-sseeseness 0, PEUCEDANES: 
Carpels with primary and secondary 
ridges. 
